Such a fistula may be the anastomosis of a natural artery and vein, a bovine graft, or a synthetic polytetrafluoroethylene (PTFE) graft. The bovine graft is taken from the bovine carotid artery and anastomosed to the vein and artery of the patient.
Definition of verify. verified. ; verifying. transitive verb. 1 : to confirm or substantiate in law by oath. 2 : to establish the truth, accuracy, or reality of verify the claim.
verify (third-person singular simple present verifies, present participle verifying, simple past and past participle verified) (transitive) To substantiate or prove the truth of something. (transitive) To confirm or test the truth or accuracy of something.